Excavator cabin



FIG. 1 is a front view of an excavator cabin showing our new design;

FIG. 2 is rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a right side view thereof.

The broken line showing of a cabin is included for the purpose of illustrating portions of the excavator cabin and forms no part of the claimed design. 

The ornamental design for an excavator cabin, as shown and described. 